Kishibe Shino, a high school student, 17 years old. After the death of my parents, my only remaining relative, my older brother, also passed away six months ago. Now, I live with my brother's wife, Nozomi-san. "Have you been getting enough sleep lately?" "Yes." "Strangers yet family." A story depicting the daily lives of two people caught in a peculiar relationship, strange, clumsy, and a little bit enlightening about happiness—Volume 1.